单选题Performance monitoring of a poorly performing system indicates a high level of CPU usage. Which tool can be used to help identify which processes are using excessive CPU resources？（）A sarB topasC iostatD vmstat

题目
单选题
Performance monitoring of a poorly performing system indicates a high level of CPU usage. Which tool can be used to help identify which processes are using excessive CPU resources？（）
A

sar

B

topas

C

iostat

D

vmstat

相似考题

1.The(71) is a general description of the architecture of a workflow management system used by the WFMC, in which the main components and the associated interfaces are summarized. The workflow enactment service is the heart of a workflow system which consists of several(72). In a workflow system, a process is specified using the process definition tool. Usually, processes are defined in terms of a(73), which consists of(74) indicated using a circle, and(75) shown as a rectangle. These two components can be linked by means of a directed arc.A．waterfall modelB．workflow reference modelC．evolutionary modelD．spiral model

2.PerformancemonitoringofapoorlyperformingsystemindicatesahighlevelofCPUusage.WhichtoolcanbeusedtohelpidentifywhichprocessesareusingexcessiveCPUresources?()A.sarB.topasC.iostatD.vmstat

3.In a workflow system, a process is specified using the process definition tool. Usually, processes are defined in terms of a ____, which consists of __请作答该选项__ indicated using a circle, and ____ shown as a rectangle. These two components can be linked by means of a directed arC．A.positions B.resources C.conditions D.places

4.Several reports are logged stating that an application server is performing slowly. During the investigation, the administrator notices that the hard drives on the server appear to have a high level of activity.Which items should the administrator monitor using performance monitoring tools?（）A. Page FileB. Disk UtilizationC. System TemperatureD. Processor UtilizationE. Network Utilization

参考答案和解析
正确答案： C
解析： 暂无解析
更多“单选题Performance monitoring of a poorly performing system indicates a high level of CPU usage. Which tool can be used to help identify which processes are using excessive CPU resources？（）A sarB topasC iostatD vmstat”相关问题

  • 第1题：

    The ____ is a general description of the architecture of a workflow management system used by the WFMC, in which the main components and the associated interfaces are summarizeD．The workflow enactment service is the heart of a workflow system which consists of several ____. In a workflow system, a process is specified using the process definition tool. Usually, processes are defined in terms of a ____, which consists of ____ indicated using a circle, and __请作答该选项__ shown as a rectangle. These two components can be linked by means of a directed arC．

    A.trasitions
    B.transformations
    C.transmitters
    D.changes

    答案：A
    解析：
    工作流参考模型是WFMC用来对工作流管理系统架构的通用描述，在这个模型中，对主要组件和相关接口进行了概括。工作流例行服务是工作流系统的核心，由几个工作流引擎组成。在工作流系统中，过程是使用过程定义该来加以说明的。通常情况下，过程通过Petri网的术语来进行定义，其中包括位置（用圆圈表示）和变迁（用矩形表示），这两个组件通过带箭头的弧相连。

  • 第2题：

    Several reports are logged stating that an application server is performing slowly. During the investigation， the administrator notices that the hard drives on the server appear to have a high level ofactivity.  Which items should the administrator monitor using performance monitoring tools？ （）

    • A、 Page File
    • B、 Disk Utilization
    • C、 System Temperature
    • D、 Processor Utilization
    • E、 Network Utilization

    正确答案:A,B

  • 第3题：

    In a system with high CPU utilization， which of the following will help the MOST to minimize the performance impact of parity overhead in RAID 5？（）

    • A、Use all SAS Drives
    • B、Triple Channel RAM
    • C、Use all Solid State Drives
    • D、Hardware RAID Controller

    正确答案:D

  • 第4题：

    After completing an installation of new software， a system administrator notices the system is slow.  To troubleshoot the performance， which single AIX command could be used to provide a real-time display of CPU， memory and disk utilization（）

    • A、topas
    • B、vmo
    • C、iostat
    • D、netstat

    正确答案:B

  • 第5题：

    An AIX system administrator wants to reset the level at which the SIGDANGER signal is sent to processes so appropriate actions can be taken when paging space is running low.  Which of the following commands is used to reset the level？（）

    • A、 vmtune -w
    • B、 svmon -w
    • C、 schedtune -w
    • D、 vmstat -s

    正确答案:A

  • 第6题：

    A system administrator is monitoring a system that has recently shown a decrease in performance.The administrator suspects that the system may be low on memory and may be paging excessively.Which of the following commands is best to identify a possible paging problem？（）

    • A、iostat
    • B、netstat
    • C、ps
    • D、vmstat

    正确答案:D

  • 第7题：

    You have a computer that runs Windows 7. You need to identify the disk, memory, CPU, and networkresources that an application is currently using.  Which tool should you use?（）

    • A、Component Services
    • B、Performance Information and Tools
    • C、Reliability Monitor
    • D、Resource Monitor

    正确答案:D

  • 第8题：

    单选题
    A system administrator has a server that is performing poorly. The vmstat command identifies that high CPU usage is the problem. Which of the following commands can be used to identify the eight most active processes running on the server？（）
    A

    ps -ef -t8

    B

    sar -u -p 8

    C

    vmstat -t 8

    D

    topas -p8 -n0 -d0


    正确答案： C
    解析： 暂无解析

  • 第9题：

    单选题
    While monitoring a system using vmstat， which of the following options most likely indicates that the system is CPU bound？（）
    A

     r is greater than 40

    B

     id is greater than 50

    C

     sum of id and wa equals 50

    D

     sum of us and sy equals 100


    正确答案： D
    解析： 暂无解析

  • 第10题：

    单选题
    A system is experiencing performance problems.  After checking the CPU usage, the problem identified is that the system is "CPU Bound".  Which of the following outcomes will determine if there is a possible CPU constraint?（）
    A

     Low paging 

    B

     High paging 

    C

     Workload manager is not turned on 

    D

     A high run queue length 


    正确答案： D
    解析： 暂无解析

  • 第11题：

    单选题
    When monitoring a system using vmstat with an interval， the metrics under page po represent which of the following phrases？（）
    A

     The number pages over the limit

    B

     The pages to paging space per second

    C

     The number of page operations per second

    D

     The number of processes waiting for page out


    正确答案： D
    解析： 暂无解析

  • 第12题：

    单选题
    Using the following information: Performance data from an existing system that a new system will replace; Performance estimates that anticipate future workloads; Micro-partitioning and logical partitioning implementations.  Which of the following allows a technical sales representative to create a system design which can be imported into an HMC?（）
    A

    IBM eConfig

    B

    IBM Performance Monitor

    C

    IBM Workload Estimator (WLE)

    D

    IBM System Planning Tool (SPT)


    正确答案： C
    解析： 暂无解析

  • 第13题：

    Using the following information: Performance data from an existing system that a new system will replace; Performance estimates that anticipate future workloads; Micro-partitioning and logical partitioning implementations. Which of the following allows a technical sales representative to create a system design which can be imported into an HMC?（）

    • A、IBMeConfig
    • B、IBM Performance Monitor
    • C、IBM Workload Estimator (WLE)
    • D、IBM System Planning Tool (SPT)

    正确答案:D

  • 第14题：

    Performance monitoring of a poorly performing system indicates a high level of CPU usage. Which tool can be used to help identify which processes are using excessive CPU resources？（）

    • A、sar
    • B、topas
    • C、iostat
    • D、vmstat

    正确答案:B

  • 第15题：

    When monitoring a system using vmstat with an interval， the metrics under page po represent which of the following phrases？（） 

    • A、 The number pages over the limit
    • B、 The pages to paging space per second
    • C、 The number of page operations per second
    • D、 The number of processes waiting for page out

    正确答案:B

  • 第16题：

    While monitoring a system using vmstat， which of the following options most likely indicates that the system is CPU bound？（）

    • A、 r is greater than 40
    • B、 id is greater than 50
    • C、 sum of id and wa equals 50
    • D、 sum of us and sy equals 100

    正确答案:D

  • 第17题：

    A system administrator has a server that is performing poorly. The vmstat command identifies that high CPU usage is the problem. Which of the following commands can be used to identify the eight most active processes running on the server？（）

    • A、ps -ef -t8
    • B、sar -u -p 8
    • C、vmstat -t 8
    • D、topas -p8 -n0 -d0

    正确答案:D

  • 第18题：

    Which of the following performance tools can be used to determine if a system is thrashing？（）

    • A、 svmon and tprof
    • B、 vmtune and schedtune
    • C、 ps and schedtune
    • D、 vmstat and topas

    正确答案:D

  • 第19题：

    A system is experiencing performance problems.  After checking the CPU usage, the problem identified is that the system is "CPU Bound".  Which of the following outcomes will determine if there is a possible CPU constraint?（）

    • A、 Low paging 
    • B、 High paging 
    • C、 Workload manager is not turned on 
    • D、 A high run queue length 

    正确答案:D

  • 第20题：

    单选题
    An AIX system administrator wants to reset the level at which the SIGDANGER signal is sent to processes so appropriate actions can be taken when paging space is running low.  Which of the following commands is used to reset the level？（）
    A

     vmtune -w

    B

     svmon -w

    C

     schedtune -w

    D

     vmstat -s


    正确答案： A
    解析： 暂无解析

  • 第21题：

    单选题
    In a system with high CPU utilization， which of the following will help the MOST to minimize the performance impact of parity overhead in RAID 5？（）
    A

    Use all SAS Drives

    B

    Triple Channel RAM

    C

    Use all Solid State Drives

    D

    Hardware RAID Controller


    正确答案： D
    解析： 暂无解析

  • 第22题：

    多选题
    Several reports are logged stating that an application server is performing slowly. During the investigation， the administrator notices that the hard drives on the server appear to have a high level ofactivity.  Which items should the administrator monitor using performance monitoring tools？ （）
    A

    Page File

    B

    Disk Utilization

    C

    System Temperature

    D

    Processor Utilization

    E

    Network Utilization


    正确答案： A,B
    解析： 暂无解析

  • 第23题：

    单选题
    Performance monitoring of a poorly performing system indicates a high level of CPU usage. Which tool can be used to help identify which processes are using excessive CPU resources？（）
    A

    sar

    B

    topas

    C

    iostat

    D

    vmstat


    正确答案： D
    解析： 暂无解析

  • 第24题：

    单选题
    Which of the following performance tools can be used to determine if a system is thrashing？（）
    A

     svmon and tprof

    B

     vmtune and schedtune

    C

     ps and schedtune

    D

     vmstat and topas


    正确答案： C
    解析： 暂无解析

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